Geothermal Testing at Newberry Crater Sparks Minor Quakes but Eases Volcanic Fears

Recent seismic activity at Newberry Crater, a prominent geological feature located south of Bend, Oregon, has raised eyebrows among local residents and environmentalists alike. However, the U.S. Geological Survey (USGS) has confirmed that this uptick in seismic events is attributable to geothermal exploration being conducted by Mazama Energy, and not to any volcanic activity. Newberry Crater, an active volcano standing at 7,986 feet, has been dormant for approximately 1,300 years, with its last eruption giving rise to the striking Big Obsidian Flow, a vast expanse of obsidian and pumice that continues to draw visitors to the Newberry National Volcanic Monument. This monument is home to stunning features such as East Lake and Paulina Lake, making it a treasured destination for outdoor enthusiasts. The USGS announced that geothermal testing will begin this coming Monday and is projected to last for several weeks to months. During this period, the agency anticipates the occurrence of numerous minor, non-volcanic earthquakes. The process will involve injecting water into deep wells to create fractures in the rock, a method known to induce seismic activity. The operations are part of Mazama Energy’s plan to establish a geothermal power station at Newberry Crater by the year 2030. Historically, similar geothermal exploration efforts at the site in 2012 and 2014 resulted in the registration of hundreds of small earthquakes, with magnitudes mostly at or below 2.5. Seismologists are equipped to distinguish between volcanic earthquakes and those generated by geothermal activities, alleviating concerns that the tremors signal imminent volcanic hazards. The current volcano alert level at Newberry Crater remains classified as normal, and the USGS has assured the public that the seismic activity is being closely monitored in conjunction with the Pacific Northwest Seismic Network. They emphasize that this project will not alter the state of the volcano or significantly impact potential volcanic hazards in the region. As geothermal energy gains traction as a sustainable power source, projects like this one at Newberry Crater highlight the balancing act between energy development and environmental stewardship. The local community, while intrigued by the potential benefits of geothermal energy, continues to keep a watchful eye on the geological dynamics of this ancient volcanic landscape.